
_Rows
name
w   # array of weights, one per column
gp  # goalp = 0,1 (one per column)
np  # numberp = 0,1 (one per column)
hi  # max values in all numeric cols
lo  # min values in all numeroc cols
all # all[r]=r is a list of active rows
d   # d[row][col] = the actual data 
    
